Pay phone base



FIG. 1 is a perspective view from top and left-hand side of pay phone base showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view taken from the left-hand side thereof; and,

FIG. 4 is a top plan view thereof. 

The ornamental design for pay phone base, as shown and described. 